CAM GRIND #696/697
Fits: -01-05 YAMAHA RAPTOR 660 -02-08 YAMAHA GRIZZLY 660 -04-07 YAMAHA RHINO 660
Performance profile designed to increase mid and upper end. Includes compression release. Requires High Compression Piston, Exhaust System, and Performance Valve Spring Kit.
VALVE LIFT: .340"/.355"
DURATION: 270/270
DURATION AT .050": 242/245